1121160257142 has 16 divisors (see below), whose sum is σ = 2245236414960. Its totient is φ = 373234102272.

The previous prime is 1121160257141. The next prime is 1121160257143. The reversal of 1121160257142 is 2417520611211.

It is an interprime number because it is at equal distance from previous prime (1121160257141) and next prime (1121160257143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121160257141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121490863 + ... + 121500090.

It is an arithmetic number, because the mean of its divisors is an integer number (140327275935).

Almost surely, 2^{1121160257142} is an apocalyptic number.

1121160257142 is an abundant number, since it is smaller than the sum of its proper divisors (1124076157818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121160257142 is a wasteful number, since it uses less digits than its factorization.

1121160257142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242991727.

The product of its (nonzero) digits is 6720, while the sum is 33.

Adding to 1121160257142 its reverse (2417520611211), we get a palindrome (3538680868353).

The spelling of 1121160257142 in words is "one trillion, one hundred twenty-one billion, one hundred sixty million, two hundred fifty-seven thousand, one hundred forty-two".